driving: driving

drivingR Documentation

driving

Description

Wooldridge Source: Freeman, D.G. (2007), “Drunk Driving Legislation and Traffic Fatalities: New Evidence on BAC 08 Laws,” Contemporary Economic Policy 25, 293–308. Professor Freeman kindly provided the data. Data loads lazily.

Usage

data('driving')

Format

A data.frame with 1200 observations on 56 variables:

  • year: 1980 through 2004

  • state: 48 continental states, alphabetical

  • sl55: speed limit == 55

  • sl65: speed limit == 65

  • sl70: speed limit == 70

  • sl75: speed limit == 75

  • slnone: no speed limit

  • seatbelt: =0 if none, =1 if primary, =2 if secondary

  • minage: minimum drinking age

  • zerotol: zero tolerance law

  • gdl: graduated drivers license law

  • bac10: blood alcohol limit .10

  • bac08: blood alcohol limit .08

  • perse: administrative license revocation (per se law)

  • totfat: total traffic fatalities

  • nghtfat: total nighttime fatalities

  • wkndfat: total weekend fatalities

  • totfatpvm: total fatalities per 100 million miles

  • nghtfatpvm: nighttime fatalities per 100 million miles

  • wkndfatpvm: weekend fatalities per 100 million miles

  • statepop: state population

  • totfatrte: total fatalities per 100,000 population

  • nghtfatrte: nighttime fatalities per 100,000 population

  • wkndfatrte: weekend accidents per 100,000 population

  • vehicmiles: vehicle miles traveled, billions

  • unem: unemployment rate, percent

  • perc14_24: percent population aged 14 through 24

  • sl70plus: sl70 + sl75 + slnone

  • sbprim: =1 if primary seatbelt law

  • sbsecon: =1 if secondary seatbelt law

  • d80: =1 if year == 1980

  • d81:

  • d82:

  • d83:

  • d84:

  • d85:

  • d86:

  • d87:

  • d88:

  • d89:

  • d90:

  • d91:

  • d92:

  • d93:

  • d94:

  • d95:

  • d96:

  • d97:

  • d98:

  • d99:

  • d00:

  • d01:

  • d02:

  • d03:

  • d04: =1 if year == 2004

  • vehicmilespc:

Notes

Several more years of data are available and may further shed light on the effectiveness of several traffic laws.

Used in Text: not used, but see page 695

Source

https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041

Examples

 str(driving)

wooldridge documentation built on May 3, 2023, 5:06 p.m.